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CVE-2025-40897: CWE-863 Incorrect Authorization in Nozomi Networks Guardian

0
High
VulnerabilityCVE-2025-40897cvecve-2025-40897cwe-863
Published: 04/15/2026 (04/15/2026, 08:18:05 UTC)
Source: CVE Database V5
Vendor/Project: Nozomi Networks
Product: Guardian

Description

An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform administrative actions on it, altering the rules configuration, and/or affecting their availability.

CVSS v4.0

Score 7.2high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

Nozomi Networks

Guardian

Affected versions
>=0 <26.0.0

Nozomi Networks

CMC

Affected versions
>=0 <26.0.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 13:09:16 UTC

Technical Analysis

An incorrect authorization vulnerability (CWE-863) exists in the Threat Intelligence functionality of Nozomi Networks Guardian. Authenticated users assigned view-only privileges can bypass intended access restrictions and execute administrative actions, including modifying rules configuration and impacting the availability of the Threat Intelligence feature. This flaw compromises the integrity and availability of the affected component. The vulnerability has a CVSS 4.0 base score of 7.2, indicating high severity. There is no vendor-provided remediation or patch information available at this time, and the product is not a cloud service.

Potential Impact

Authenticated users with only view-only privileges can escalate their permissions to perform administrative actions within the Threat Intelligence functionality. This can lead to unauthorized modification of rules and disruption of service availability, potentially impacting the security monitoring capabilities of the system.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the Threat Intelligence functionality to trusted users only and monitor for unusual administrative activity.

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Technical Details

Data Version
5.2
Assigner Short Name
Nozomi
Date Reserved
2025-04-16T09:04:35.922Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 69df540182d89c981fbdb3c7

Added to database: 04/15/2026, 09:01:53 UTC

Last enriched: 08/11/2026, 13:09:16 UTC

Last updated: 09/12/2026, 22:01:29 UTC

Views: 239

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